Water scarcity could cause major food shortages in the foreseeable future, experts have warned. Earlier this year, Nestle CEO Paul Bulcke said we're using more than our sustainable supply and that this overuse of fresh water is a serious risk, The Guardian reported:
"It is anticipated that there will be up to 30 percent shortfalls in global cereal production by 2030 due to water scarcity," he said. "This is a loss equivalent to the entire grain crops of India and the United States combined."